Apollo Expansion PEX / Pex A 1/2 in. Expansion PEX to 1/2 in D PEX Plastic Coupling is a purpose-built transition fitting that seamlessly links Expansion PEX A piping to standard PEX tubing. Designed for residential water systems, this lead-free plastic coupling delivers a secure, reliable connection with a compact profile.
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End details: End 1 is Expansion PEX (1/2 in), End 2 is PEX (1/2 in). A straightforward 2-port coupling that handles a 1/2 in line-to-line transition.
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Material and safety: Made from plastic, lead-free for potable water, and ANSI certified to meet industry standards.
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Ratings: Maximum pressure up to 200 psi and maximum temperature up to 200 (unit not specified in data; suitable for typical residential hot and cold water applications).
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Packaging: Bagged, with 10 pieces per package—convenient for projects, repairs, or stocked inventory.
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Brand compatibility: Part of Apollo’s Expansion PEX / Pex A line, ensuring compatibility with PEX A expansion systems.
This coupling is ideal for homeowners and professionals tackling transitions within existing PEX networks. Use it when you need to bridge an Expansion PEX A segment to regular PEX tubing in cold or hot water lines, in tight spaces where a lightweight, corrosion-resistant plastic fitting shines, or during retrofit projects where ANSI-certified, lead-free components are required.
Practical uses and scenarios
- Transitioning from Expansion PEX A to standard PEX in a supply line feeding a fixture or appliance.
- Repairs or extensions in compact plumbing runs where metal fittings would be cumbersome.
- Residential installations that prioritize clean, reliable connections without soldering or solvent welding.
Installation tips
- Ensure both ends of the tubing are clean and dry before assembly.
- Follow local code requirements and Apollo’s installation guidelines for Expansion PEX tooling and practices.
- Prepare the Expansion PEX end per PEX A specifications, then connect to the coupling’s Expansion PEX side and the PEX side to the corresponding tubing.
- Pressurize the system and inspect for leaks, re-testing after any settling or adjustments.
